be a painful experience, not only for the families who have lost members due to this war but also those worry about their members every day. THIS NAVY S.E.A.L.s ETHOS, I Don't advertise the nature of my work. Clearly happening here, bringing people inside that experience. Extraordinary stories that are being told here. The people who have been fighting this war for us overseas. So, what we see here is something that the admiral wants to have out there. He doesn't want to compromise the capabilities and the procedures that are really their bread and butter. Martha, I talked to peter berg this summer about how much access he got from the S.E.A.L.s. We also have "captain phillips" out now. And I think captain phillips is the most problematic one for revealing tactics and how the S.E.A.L.s OPERATE, THERE ARE Things in there for me, covering the pentagon, and I ask questions about tactics, it's oh, no, no, we can't tell you that. Then you have all of these hollywood movies that don't reveal so many tactics. But, "captain phillips," they show you how they listen in on the boats, they do all kind of things in that movie that are really revealing. Why is hollywood getting this kind of access, journalists aren't getting that kind of access, they really have opened the door to hollywood? I think the point is, they're always -- it's a tough job to get guys in and through these processes. While a lot of people want to be NAVY S.E.A.L.s, IT'S A TOUGH Recruiting process. The last ten years, we put a lot of focus into recruiting, these type of movies inspire young kids to pursue these very challenging and demanding careers. And one of the questions that it also raises, and I will bring it to you, colonel ganyard, how the role of these special operations forces are going to evolve as we deal with new challenges? Not only the fight against al qaeda in the middle east and the rise of china. Right, the rise of china and how do we fix special operations. They clearly earned a place in the america pantheon. In some ways, you know, we spend hundreds of billions of dollars on stealth airplanes and stealth submarines. We live in this era of satellites seeing everything, so we can't move airplanes, we can't move divisions of people overseas without being seen. But, in some ways, they can be inserted into places that are difficult places to get into in covert manners that won't be seen. George, you have someone from the marines, but if you had someone for the army, you need those conventional forces. You look at korea. That's a different side that we're talking about here. Special operation forces are so incredible and important now. There's a lot of argument today that you still need conventional forces. We're paying twice as much per soldier than we did 20 years ago. Draw the army. One of the other dangers here, the emphasis on the tactics and special operators, who risked getting into a game of whack-a-mol. I think the special operations committee fits very well into that strategy, because it provides low-profile access which then allows you to do that full range go after individuals you need to capture or kill or other missions. It's low profile, but it gives you access into these areas that you want to influence for a variety of purpose. Martha raddatz, a world dominated by men, so far, is there a future for women in the special operation forces? I think that's evolved. I ASKED SOME NAVY S.E.A.L.s, Including that one right there, whether women fit in, to me, and I think steve ganyard lived through this as a fighter pilot, when they were integrating women into aviation, and now you've got a community that's more welcoming, but there are physical tests that go along with this. I sort of look at it, and the people I talked to as a tool belt, look, there are hammers in that tool belt, screwdrivers in that tool belt, and if you put them them all together, they work really well together. I think women and most of the special operations senior leadership who I have talked to feel it is time. Great. Back at you. I would tell you, women have been a part of the special operations community as long as I HAVE, THEY'RE NOT S.E.A.L.s, They're not rangers, but they have been part of the community enabling us to do what we have to do. This last baston of wearing a try dent or being a designated ranger still needs to be worked. I know the special operations community, is looking at this really closely. I think it's very important, though, that if we do this we have to have a single bar. There can't be standards for women if the bar is set to this to be a s.E.A.L. Today. That's the last word today. Thank you all very much. You can see more from mark wahlberg at abcnews.Com/thisweek. WE'LL BE RIGHT BACK.Test Text1 underline Test Text1 italics Test Text1 plain And now we honor our fellow americans who serve and sacrifice. This week, the pentagon released the names of three service members killed in afghanistan. And that is all for today, thank you for sharing part of your sunday with us. Check out "world news" with david muir tonight, and I'll see you tomorrow on "good morning

This transcript has been automatically generated and may not be 100% accurate.

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